Examlex
There are normally a total of ________ primary teeth.
Absolute Refractory Period
A period immediately following the stimulation during which a nerve or muscle is unresponsive to further stimulation.
Second Messenger System
A method of cellular signaling where the signal from a first messenger is transferred to a secondary molecule inside the cell to elicit a physiological change.
Protein Kinase
An enzyme that modifies other proteins by chemically adding phosphate groups to them, thereby altering their function.
G Protein
A group of proteins functioning as cellular molecular switches, responsible for conveying signals from external stimuli to the inside of the cell.
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